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org.crsh.lang.impl.groovy.closure
Class PipeLineInvocationContext

java.lang.Object
  extended by org.crsh.shell.impl.command.AbstractInvocationContext<Object>
      extended by org.crsh.lang.impl.groovy.closure.PipeLineInvocationContext
All Implemented Interfaces:
Appendable, CommandContext<Object>, InvocationContext<Object>, RuntimeContext, InteractionContext, Consumer<Object>, Screenable, ScreenContext
 class PipeLineInvocationContext
extends AbstractInvocationContext<Object>

    

  

  

  

  

  

    

      Field Summary
    

    

      (package private)  InvocationContext<Object>
      outter

                .		
    

  
  
  

    

      Constructor Summary
    

    

      PipeLineInvocationContext(InvocationContext<Object> outter)

                 		
    

  
  
  

    

      Method Summary
    

    

       Appendable
      append(char c)

                 		
    

    

       Screenable
      append(CharSequence s)

                 		
    

    

       Appendable
      append(CharSequence csq, int start, int end)

                 		
    

    

       Screenable
      append(Style style)

                 		
    

    

       void
      close()

                 		
    

    

       Screenable
      cls()

                 		
    

    

       void
      flush()

                Flush the stream.		
    

    

       Map<String,Object>
      getAttributes()

                Returns the current attributes.		
    

    

       Class<Object>
      getConsumedType()

                Returns the class of the element generic type.		
    

    

       int
      getHeight()

                Returns the screen height in chars.		
    

    

       String
      getProperty(String propertyName)

                Returns a generic property, usually this property is resolved by the shell client.		
    

    

       Map<String,Object>
      getSession()

                Returns the current session.		
    

    

       int
      getWidth()

                Returns the screen width in chars.		
    

    

       RenderPrintWriter
      getWriter()

                Returns the writer for the output.		
    

    

       void
      provide(Object element)

                Provide an element.		
    

    

       String
      readLine(String msg, boolean echo)

                Display a message and read a line on the console, this method call can be blocking until the user provides a value.		
    

    

       boolean
      releaseAlternateBuffer()

                Release control of the alternate buffer.		
    

    

       CommandInvoker<?,?>
      resolve(String s)

                Resolve a command invoker for the specified command line.		
    

    

       boolean
      takeAlternateBuffer()

                Take control of the alternate buffer.		
    

  
 
  

    

      Methods inherited from class org.crsh.shell.impl.command.AbstractInvocationContext
    

    

      leftShift
    

  
 
  

    

      Methods inherited from class java.lang.Object
    

    

      clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    

  
 
  

  

    

      Field Detail
    

  

  
outter

  
final InvocationContext<Object> outter

  

    

      .
      

      

    

  

  

    

      Constructor Detail
    

  

  
PipeLineInvocationContext

  
PipeLineInvocationContext(InvocationContext<Object> outter)

  

  

    

      Method Detail
    

  

  
resolve

  
public CommandInvoker<?,?> resolve(String s)
                            throws CommandException

  

    
Description copied from interface: InvocationContext

    

      Resolve a command invoker for the specified command line.
      

    

    

      

        
Parameters:

        
s - the command line

        
Returns:

        
the command invoker

        
Throws:

        
CommandException - any command exception

      

    

  

  

  
  
getWidth

  
public int getWidth()

  

    
Description copied from interface: ScreenContext

    

      Returns the screen width in chars. When the value is not positive it means the value could not be determined.
      

    

    

      

        
Returns:

        
the term width

      

    

  

  

  
  
getHeight

  
public int getHeight()

  

    
Description copied from interface: ScreenContext

    

      Returns the screen height in chars. When the value is not positive it means the value could not be determined.
      

    

    

      

        
Returns:

        
the term height

      

    

  

  

  
  
takeAlternateBuffer

  
public boolean takeAlternateBuffer()
                            throws IOException

  

    
Description copied from interface: InteractionContext

    

      Take control of the alternate buffer. When the alternate buffer is already used nothing happens. The buffer switch should occur when then ScreenContext.flush() method is invoked.
      

    

    

      

        
Returns:

        
true if the alternate buffer is shown

        
Throws:

        
IOException

      

    

  

  

  
  
releaseAlternateBuffer

  
public boolean releaseAlternateBuffer()
                               throws IOException

  

    
Description copied from interface: InteractionContext

    

      Release control of the alternate buffer. When the normal buffer is already used nothing happens. The buffer switch should occur when then ScreenContext.flush() method is invoked.
      

    

    

      

        
Returns:

        
true if the usual buffer is shown

        
Throws:

        
IOException

      

    

  

  

  
  
getProperty

  
public String getProperty(String propertyName)

  

    
Description copied from interface: InteractionContext

    

      Returns a generic property, usually this property is resolved by the shell client.
      

    

    

      

        
Parameters:

        
propertyName - the property name

        
Returns:

        
the property value

      

    

  

  

  
  
readLine

  
public String readLine(String msg,
                       boolean echo)
                throws IOException,
                       InterruptedException

  

    
Description copied from interface: InteractionContext

    

      Display a message and read a line on the console, this method call can be blocking until the user provides a value. If no line can be read then null is returned.
      

    

    

      

        
Parameters:

        
msg - the message to display before reading a line

        
echo - wether or not the line read should be echoed when typing

        
Returns:

        
the line read

        
Throws:

        
IOException - any io exception

        
InterruptedException - the thread was interrupted while waiting for the user value

      

    

  

  

  
  
getWriter

  
public RenderPrintWriter getWriter()

  

    
Description copied from interface: InvocationContext

    

      Returns the writer for the output.
      

    

    

      

        
Returns:

        
the writer

      

    

  

  

  
  
getConsumedType

  
public Class<Object> getConsumedType()

  

    
Description copied from interface: Consumer

    

      Returns the class of the element generic type.
      

    

    

      

        
Returns:

        
the consumed type

      

    

  

  

  
  
append

  
public Screenable append(CharSequence s)
                  throws IOException

  

    

      

        
Throws:

        
IOException

      

    

  

  

  
  
append

  
public Appendable append(char c)
                  throws IOException

  

    

      

        
Throws:

        
IOException

      

    

  

  

  
  
append

  
public Appendable append(CharSequence csq,
                         int start,
                         int end)
                  throws IOException

  

    

      

        
Throws:

        
IOException

      

    

  

  

  
  
append

  
public Screenable append(Style style)
                  throws IOException

  

    

      

        
Throws:

        
IOException

      

    

  

  

  
  
cls

  
public Screenable cls()
               throws IOException

  

    

      

        
Throws:

        
IOException

      

    

  

  

  
  
provide

  
public void provide(Object element)
             throws Exception

  

    
Description copied from interface: Consumer

    

      Provide an element.
      

    

    

      

        
Parameters:

        
element - the provided element

        
Throws:

        
Exception - any exception

      

    

  

  

  
  
flush

  
public void flush()
           throws IOException

  

    
Description copied from interface: Consumer

    

      Flush the stream.
      

    

    

      

        
Throws:

        
IOException - any io exception

      

    

  

  

  
  
close

  
public void close()

  

    

      

    

  

  

  
  
getSession

  
public Map<String,Object> getSession()

  

    
Description copied from interface: RuntimeContext

    

      Returns the current session.
      

    

    

      

        
Returns:

        
the session map

      

    

  

  

  
  
getAttributes

  
public Map<String,Object> getAttributes()

  

    
Description copied from interface: RuntimeContext

    

      Returns the current attributes.
      

    

    

      

        
Returns:

        
the attributes map

      

    

  

  

   
  

    

      
        
        

          

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